Nate Weibley b4e7b041ca Fix potential null pointer deref if Mavlink start fails before task_main loop
LL_APPEND is called just before the loop spins up but various error conditions can cause the task to exit before then.
When that happens Mavlink::start_helper calls delete on the instance which tries to prune it from the global list.
If this is the first Mavlink instance to attempt starting the list head is null and we hardfault in the Mavlink dtor.

Only call LL_DELETE after checking the list head for a null pointer.
2015-05-13 11:33:11 -04:00
2015-04-16 22:51:08 +02:00
2015-04-28 15:15:46 +02:00
2015-03-17 11:34:04 +01:00
2014-03-22 13:32:33 -04:00
2014-09-09 09:08:56 +02:00
2015-02-24 20:59:47 +01:00

PX4 Flight Core and PX4 Middleware

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Gitter

This repository contains the PX4 Flight Core, with the main applications located in the src/modules directory. It also contains the PX4 Drone Platform, which contains drivers and middleware to run drones.

Users

Please refer to the user documentation for flying drones with the PX4 flight stack.

Developers

Contributing guide:

Developer guide: http://px4.io/dev/

Testing guide: http://px4.io/dev/unit_tests

This repository contains code supporting these boards:

  • FMUv1.x
  • FMUv2.x
  • AeroCore (v1 and v2)

NuttShell (NSH)

NSH usage documentation: http://px4.io/users/serial_connection

Description
a mirror of official PX4-Autopilot
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